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参数资料
| 型号： | S29WS064N0PBAW011 |
| 厂商： | Spansion Inc. |
| 英文描述： | 256/128/64 MEGABIT CMOS 1.8 VOLT ONLY SIMULTANEOUS READ/WRITE BURST MODE FLASH MEMORY |
| 中文描述： | 256/128/64兆位的CMOS 1.8伏只有同时读/写突发模式闪存 |
| 文件页数： | 97/99页 |
| 文件大小： | 1091K |
| 代理商： | S29WS064N0PBAW011 |
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January 25, 2005 S29WS-N_00_G0
95
Ad vance
Information
Page
Group of words that may be accessed more rapidly as a group than if the words were
accessed individually.
Page Read
Asynchronous read operation of several words in which the first word of the group
takes a longer initial access time and subsequent words in the group take less “page”
access time to be read. Different words in the group are accessed by changing only the
least significant address lines.
Password Protection
Sector protection method which uses a programmable password, in addition to the
Persistent Protection method, for protection of sectors in the Flash memory device.
Persistent Protection
Sector protection method that uses commands and only the standard core voltage
supply to control protection of sectors in the Flash memory device. This method
replaces a prior technique of requiring a 12V supply to control the protection method.
Program
Stores data into a Flash memory by selectively clearing bits of the memory array in
order to leave a data pattern of “ones” and “zeros”.
Program Suspend/Program
Resume
Halts a programming operation to read data from any location that is not selected for
programming or erase.
Read
Host bus cycle that causes the Flash to output data onto the data bus.
Registers
Dynamic storage bits for holding device control information or tracking the status of
an operation.
Secured Silicon
Secured Silicon. An area consisting of 256 bytes in which any word may be
programmed once, and the entire area may be protected once from any future
programming. Information in this area may be programmed at the factory or by the
user. Once programmed and protected there is no way to change the secured
information. This area is often used to store a software readable identification such as
a serial number.
Sector Protection
Use of one or more control bits per sector to indicate whether each sector may be
programmed or erased. If the Protection bit for a sector is set the embedded
algorithms for program or erase ignores program or erase commands related to that
sector.
Sector
An Area of the memory array in which all bits must be erased together by an erase
operation.
Simultaneous Operation
Mode of operation in which a host system may issue a program or erase command to
one bank, that embedded algorithm operation may then proceed while the host
immediately follows the embedded algorithm command with reading from another
bank. Reading may continue concurrently in any bank other than the one executing
the embedded algorithm operation.
Synchronous Operation
Operation that progresses only when a timing signal, known as a clock, transitions
between logic levels (that is, at a clock edge).
VersatileIO (VIO)
Separate power supply or voltage reference signal that allows the host system to set
the voltage levels that the device generates at its data outputs and the voltages
tolerated at its data inputs.
Unlock Bypass
Mode that facilitates faster program times by reducing the number of command bus
cycles required to issue a write operation command. In this mode the initial two
“Unlock” write cycles, of the usual 4 cycle Program command, are not required –
reducing all Program commands to two bus cycles while in this mode.
Word
Two contiguous bytes (16 bits) located at an even byte boundary. A double word is two
contiguous words located on a two word boundary. A quad word is four contiguous
words located on a four word boundary.
Term
Definition
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| S29WS128N0LBFI011 | 256/128/64 MEGABIT CMOS 1.8 VOLT ONLY SIMULTANEOUS READ/WRITE BURST MODE FLASH MEMORY |
相关代理商/技术参数 |
参数描述 |
|---|---|
| S29WS064N0PBAW012 | 制造商:SPANSION 制造商全称:SPANSION 功能描述:256/128/64 Megabit (16/8/4 M x 16-Bit) CMOS 1.8 Volt-only Simultaneous Read/Write, Burst Mode Flash Memory |
| S29WS064N0PBAW013 | 制造商:SPANSION 制造商全称:SPANSION 功能描述:256/128/64 MEGABIT CMOS 1.8 VOLT ONLY SIMULTANEOUS READ/WRITE BURST MODE FLASH MEMORY |
| S29WS064N0PBAW110 | 制造商:SPANSION 制造商全称:SPANSION 功能描述:256/128/64 MEGABIT CMOS 1.8 VOLT ONLY SIMULTANEOUS READ/WRITE BURST MODE FLASH MEMORY |
| S29WS064N0PBAW111 | 制造商:SPANSION 制造商全称:SPANSION 功能描述:256/128/64 MEGABIT CMOS 1.8 VOLT ONLY SIMULTANEOUS READ/WRITE BURST MODE FLASH MEMORY |
| S29WS064N0PBAW112 | 制造商:SPANSION 制造商全称:SPANSION 功能描述:256/128/64 MEGABIT CMOS 1.8 VOLT ONLY SIMULTANEOUS READ/WRITE BURST MODE FLASH MEMORY |
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